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Mercedes Benz Gl550 Problems

The Mercedes-Benz GL550 was the performance-oriented variant of Mercedes' full-size luxury SUV, produced from 2007 to 2016 before transitioning to the GLS naming convention. Powered by a 4.6L twin-turbo V8 producing 429 horsepower, the GL550 combined three-row seating with genuine performance capability. With 178 complaints and zero deaths on record, the GL550 proved mechanically sound but complex, with most issues stemming from its advanced air suspension and electronics systems.

178
Total Complaints
29
Total Recalls
10
Model Years
0
Reported Deaths
✓

Best Years

These years have the fewest reported problems.

2010 2016

Common Problem Categories

Air Bags 46
Steering 22
Engine 22
Electrical System 22
Unknown Or Other 16

Complaints by Model Year

All Model Years

Year ↓ Complaints Recalls Crashes Fires Rating
2017 0 2 0 0 Good
2016 2 4 0 0 Good
2015 16 3 0 6 Average
2014 22 3 0 0 Average
2013 30 3 0 0 Below Average
2012 24 3 6 0 Average
2011 32 3 0 0 Below Average
2010 6 3 0 0 Good
2009 14 3 4 0 Average
2008 32 2 2 0 Below Average

Mercedes Benz Gl550 Years to Avoid

The 2008 GL550 first-year models accumulated the highest complaint counts, with owners reporting air suspension failures, transfer case issues, and electrical gremlins affecting various comfort systems. The Airmatic suspension in particular proved expensive to repair, with individual air struts costing ,500-2,500 each.

Best Mercedes Benz Gl550 Years

The 2016 GL550 represents the most refined version before the GLS transition. Air suspension reliability improved, and Mercedes addressed earlier electrical issues. A 2014-2016 example with documented Airmatic service history offers the best balance of refinement and remaining useful life.

Frequently Asked Questions

How reliable is the GL550 air suspension?

The Airmatic suspension is the GL550's Achilles heel. Air struts typically last 80,000-120,000 miles before leaking. Budget ,000-8,000 for eventual suspension overhaul, or consider coil spring conversion kits.

What are common GL550 problems?

Beyond air suspension, common issues include transfer case wear, balance shaft problems in earlier engines, and various electrical faults affecting the COMAND system and power accessories.

Is the GL550 expensive to maintain?

Yes. The GL550 requires premium fuel, expensive synthetic oil changes, and specialized Mercedes service for complex systems. Annual maintenance costs of ,500-3,000 are typical for older examples.

How does the GL550 compare to competitors?

The GL550 offers superior interior quality and ride comfort compared to competitors like the Cadillac Escalade or Lincoln Navigator, but higher complexity increases long-term ownership costs substantially.